.nav-block{
    background-color: #fff;
    position: relative;
    height: 45px;
    overflow: hidden;
    white-space: nowrap;
    .nav-bar-wrap{
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        .nav-item{
            display: inline-block;
            line-height: 43px;
            text-align: center;
            font-size: 14px;
            color: #666;
            margin-left: 30px;
        }
        .nav-item:first-child{
            margin-left: 15px;
        }
        .nav-item:last-child{
            margin-right: 15px
        }
        .active{
            color: #f03d37;
            border-bottom: 2px solid #f03d37;
            position: relative;
        }
    }
}